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Finding the Fourth Proportional to 247.33, 369.58 and 188.44

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Solution

The fourth proportional to 247.33, 369.58 and 188.44 is: 281.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    247.33 : 369.58 = 188.44 : x
  2. Step 2: Convert to fraction form
    247.33/369.58 = 188.44/x
  3. Step 3: Cross multiply
    247.33x = 369.58 × 188.44
  4. Step 4: Simplify right side
    247.33x = 69,642.93
  5. Step 5: Solve for x
    x = 69,642.93/247.33
  6. Step 6: Final answer
    x = 281.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.